Chemical engineers are professionals who apply the principles of chemistry, biology, physics, and math to solve problems related to the production and use of chemicals, fuel, drugs, food, and other products. They work in a variety of industries, including energy, pharmaceuticals, food and beverage, and materials.

The job description of a chemical engineer typically includes the following responsibilities:

1. Designing and developing chemical processes: Chemical engineers design and develop new chemical processes, as well as improve existing ones, to make them more efficient, cost-effective, and environmentally friendly.

2. Conducting research and analyzing data: They research new materials and methods, conduct experiments, and analyze data to evaluate the effectiveness of various chemical processes.

3. Managing production processes: They oversee the manufacturing process to ensure the quality of the final product and to minimize waste and environmental impact.

4. Troubleshooting problems: When a problem occurs in the manufacturing process, chemical engineers use their knowledge of chemistry and physics to troubleshoot and find solutions.

5. Developing and implementing safety procedures: Chemical engineers develop and implement safety procedures to ensure that chemical processes are safe for workers and the environment.

6. Collaborating with other professionals: They work closely with other engineers, scientists, and technicians to develop and implement new processes.

7. Communicating with stakeholders: Chemical engineers communicate with stakeholders, including customers, suppliers, and regulatory agencies, to ensure compliance with regulations and to address any concerns.

8. Managing projects: Chemical engineers manage projects from conception to completion, ensuring that they are completed on time, within budget, and to the required specifications.

Overall, chemical engineers play a critical role in developing and improving processes to produce products more efficiently, safely, and sustainably.